EP 0055205 B1 19860813 - SINTERED POWDER METAL FRICTION MATERIAL
Title (en)
SINTERED POWDER METAL FRICTION MATERIAL
Publication
Application
Priority
US 21831680 A 19801219
Abstract (en)
[origin: EP0055205A2] Abstract of the disclosure: An iron-base, sintered powder metal friction material suitable for railroad braking is disclosed. The friction material comprises, by volume, 10-70% carbon; 0-2.5% sulfur; 0-10% alumina; 1-45% of a metal powder additive selected from the group consisting of copper, manganese, ferrochrome, chrome carbide compounds and mixtures thereof; and the balance iron. In preferred embodiments, the powder metal additives are 11-25% copper, or 9-15% manganese, or 5-20% ferrochrome.
IPC 1-7
IPC 8 full level
C22C 33/02 (2006.01); F16D 69/02 (2006.01); B29C 43/00 (2006.01)
CPC (source: EP)
F16D 69/027 (2013.01); B29C 43/006 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0055205 A2 19820630; EP 0055205 A3 19820922; EP 0055205 B1 19860813; AT E21442 T1 19860815; AU 539125 B2 19840913; AU 7851781 A 19820624; BR 8108265 A 19821005; CA 1162005 A 19840214; DE 3175126 D1 19860918; ES 507797 A0 19830601; ES 8306842 A1 19830601; IN 155790 B 19850309; JP H0127144 B2 19890526; JP S57123953 A 19820802; MX 160698 A 19900418; ZA 817944 B 19821027
DOCDB simple family (application)
EP 81630076 A 19811117; AT 81630076 T 19811117; AU 7851781 A 19811215; BR 8108265 A 19811218; CA 390003 A 19811113; DE 3175126 T 19811117; ES 507797 A 19811209; IN 1304CA1981 A 19811123; JP 20079581 A 19811211; MX 19024181 A 19811123; ZA 817944 A 19811117